print(f"abd大于abc，结果：{'abd' > 'abc'}")

print(f"ab大于a，结果：{'ab' > 'a'}")

print(f"ab大于c，结果：{'ab' > 'c'}")

print(f"a大于A，结果：{'a' > 'A'}")

print(f"key2大于key1，结果：{'key2' > 'key1'}")